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fbdev: port fbdevsink to 1.0

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This commit is contained in:
Tim-Philipp Müller 2013-03-09 00:17:45 +00:00
parent bd8963f591
commit ae550222a8
4 changed files with 118 additions and 120 deletions
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2
configure.ac
View file

@ -323,7 +323,7 @@ GST_PLUGINS_NONPORTED=" aiff \
patchdetect real \ patchdetect real \
sdi stereo tta videofilters \ sdi stereo tta videofilters \
videomeasure videosignal vmnc \ videomeasure videosignal vmnc \
decklink fbdev linsys vcd \ decklink linsys vcd \
apexsink cdaudio dc1394 dirac directfb \ apexsink cdaudio dc1394 dirac directfb \
gsettings ladspa \ gsettings ladspa \
musepack musicbrainz nas neon ofa openal rsvg sdl sndfile timidity \ musepack musicbrainz nas neon ofa openal rsvg sdl sndfile timidity \

2
sys/fbdev/Makefile.am
View file

@ -6,7 +6,7 @@ libgstfbdevsink_la_CFLAGS = \
$(GST_CFLAGS) \ $(GST_CFLAGS) \
$(LIBFBDEV_CFLAGS) $(LIBFBDEV_CFLAGS)
libgstfbdevsink_la_LIBADD = \ libgstfbdevsink_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) \ $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) \
$(GST_BASE_LIBS) \ $(GST_BASE_LIBS) \
$(LIBFBDEV_LIBS) $(LIBFBDEV_LIBS)
libgstfbdevsink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgstfbdevsink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

225
sys/fbdev/gstfbdevsink.c
View file

@ -42,62 +42,49 @@
enum enum
{ {
ARG_0, ARG_0,
ARG_DEVICE, ARG_DEVICE
}; };
static void gst_fbdevsink_base_init (gpointer g_class); #if 0
static void gst_fbdevsink_class_init (GstFBDEVSinkClass * klass);
static void gst_fbdevsink_get_times (GstBaseSink * basesink, static void gst_fbdevsink_get_times (GstBaseSink * basesink,
GstBuffer * buffer, GstClockTime * start, GstClockTime * end); GstBuffer * buffer, GstClockTime * start, GstClockTime * end);
#endif
static gboolean gst_fbdevsink_setcaps (GstBaseSink * bsink, GstCaps * caps); static GstFlowReturn gst_fbdevsink_show_frame (GstVideoSink * videosink,
static GstFlowReturn gst_fbdevsink_render (GstBaseSink * bsink,
GstBuffer * buff); GstBuffer * buff);
static gboolean gst_fbdevsink_start (GstBaseSink * bsink); static gboolean gst_fbdevsink_start (GstBaseSink * bsink);
static gboolean gst_fbdevsink_stop (GstBaseSink * bsink); static gboolean gst_fbdevsink_stop (GstBaseSink * bsink);
static GstCaps *gst_fbdevsink_getcaps (GstBaseSink * bsink, GstCaps * filter);
static gboolean gst_fbdevsink_setcaps (GstBaseSink * bsink, GstCaps * caps);
static void gst_fbdevsink_finalize (GObject * object); static void gst_fbdevsink_finalize (GObject * object);
static void gst_fbdevsink_set_property (GObject * object, static void gst_fbdevsink_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec); guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_fbdevsink_get_property (GObject * object, static void gst_fbdevsink_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec); guint prop_id, GValue * value, GParamSpec * pspec);
static GstStateChangeReturn static GstStateChangeReturn gst_fbdevsink_change_state (GstElement * element,
gst_fbdevsink_change_state (GstElement * element, GstStateChange transition); GstStateChange transition);
static GstCaps *gst_fbdevsink_getcaps (GstBaseSink * bsink); #define VIDEO_CAPS "{ RGB, BGR, BGRx, xBGR, RGB, RGBx, xRGB, RGB15, RGB16 }"
static GstVideoSinkClass *parent_class = NULL; static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (VIDEO_CAPS))
);
#define GST_FBDEV_TEMPLATE_CAPS \ #define parent_class gst_fbdevsink_parent_class
GST_VIDEO_CAPS_RGB_15 \ G_DEFINE_TYPE (GstFBDEVSink, gst_fbdevsink, GST_TYPE_VIDEO_SINK);
";" GST_VIDEO_CAPS_RGB_16 \
";" GST_VIDEO_CAPS_BGR \
";" GST_VIDEO_CAPS_BGRx \
";" GST_VIDEO_CAPS_xBGR \
";" GST_VIDEO_CAPS_RGB \
";" GST_VIDEO_CAPS_RGBx \
";" GST_VIDEO_CAPS_xRGB \
static void static void
gst_fbdevsink_base_init (gpointer g_class) gst_fbdevsink_init (GstFBDEVSink * fbdevsink)
{ {
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); /* nothing to do here yet */
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_FBDEV_TEMPLATE_CAPS)
);
gst_element_class_set_static_metadata (element_class, "fbdev video sink",
"Sink/Video",
"A linux framebuffer videosink", "Sean D'Epagnier <sean@depagnier.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
} }
#if 0
static void static void
gst_fbdevsink_get_times (GstBaseSink * basesink, GstBuffer * buffer, gst_fbdevsink_get_times (GstBaseSink * basesink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end) GstClockTime * start, GstClockTime * end)
@ -119,28 +106,29 @@ gst_fbdevsink_get_times (GstBaseSink * basesink, GstBuffer * buffer,
} }
} }
} }
#endif
static uint32_t
swapendian (uint32_t val)
{
return (val & 0xff) << 24 | (val & 0xff00) << 8
| (val & 0xff0000) >> 8 | (val & 0xff000000) >> 24;
}
static GstCaps * static GstCaps *
gst_fbdevsink_getcaps (GstBaseSink * bsink) gst_fbdevsink_getcaps (GstBaseSink * bsink, GstCaps * filter)
{ {
GstFBDEVSink *fbdevsink; GstFBDEVSink *fbdevsink;
GstVideoFormat format;
GstCaps *caps; GstCaps *caps;
uint32_t rmask; uint32_t rmask;
uint32_t gmask; uint32_t gmask;
uint32_t bmask; uint32_t bmask;
int endianness; uint32_t tmask;
int endianness, depth, bpp;
fbdevsink = GST_FBDEVSINK (bsink); fbdevsink = GST_FBDEVSINK (bsink);
caps = gst_static_pad_template_get_caps (&sink_template);
/* FIXME: locking */
if (!fbdevsink->framebuffer) if (!fbdevsink->framebuffer)
return gst_caps_from_string (GST_FBDEV_TEMPLATE_CAPS); goto done;
bpp = fbdevsink->varinfo.bits_per_pixel;
rmask = ((1 << fbdevsink->varinfo.red.length) - 1) rmask = ((1 << fbdevsink->varinfo.red.length) - 1)
<< fbdevsink->varinfo.red.offset; << fbdevsink->varinfo.red.offset;
@ -148,50 +136,76 @@ gst_fbdevsink_getcaps (GstBaseSink * bsink)
<< fbdevsink->varinfo.green.offset; << fbdevsink->varinfo.green.offset;
bmask = ((1 << fbdevsink->varinfo.blue.length) - 1) bmask = ((1 << fbdevsink->varinfo.blue.length) - 1)
<< fbdevsink->varinfo.blue.offset; << fbdevsink->varinfo.blue.offset;
tmask = ((1 << fbdevsink->varinfo.transp.length) - 1)
<< fbdevsink->varinfo.transp.offset;
endianness = 0; depth = fbdevsink->varinfo.red.length + fbdevsink->varinfo.green.length
+ fbdevsink->varinfo.blue.length;
switch (fbdevsink->varinfo.bits_per_pixel) { switch (fbdevsink->varinfo.bits_per_pixel) {
case 32: case 32:
/* swap endian of masks */ /* swap endianness of masks */
rmask = swapendian (rmask); rmask = GUINT32_SWAP_LE_BE (rmask);
gmask = swapendian (gmask); gmask = GUINT32_SWAP_LE_BE (gmask);
bmask = swapendian (bmask); bmask = GUINT32_SWAP_LE_BE (bmask);
endianness = 4321; tmask = GUINT32_SWAP_LE_BE (tmask);
depth += fbdevsink->varinfo.transp.length;
endianness = G_BIG_ENDIAN;
break; break;
case 24:{ case 24:{
/* swap red and blue masks */ /* swap red and blue masks */
uint32_t t = rmask; tmask = rmask;
rmask = bmask; rmask = bmask;
bmask = t; bmask = tmask;
endianness = 4321; tmask = 0;
endianness = G_BIG_ENDIAN;
break; break;
} }
case 15: case 15:
case 16: case 16:
endianness = 1234; tmask = 0;
endianness = G_LITTLE_ENDIAN;
break; break;
default: default:
/* other bit depths are not supported */ goto unsupported_bpp;
g_warning ("unsupported bit depth: %d\n",
fbdevsink->varinfo.bits_per_pixel);
return NULL;
} }
/* replace all but width, height, and framerate */ format = gst_video_format_from_masks (depth, bpp, endianness, rmask, gmask,
caps = gst_caps_from_string (GST_VIDEO_CAPS_RGB_15); bmask, tmask);
gst_caps_set_simple (caps,
"bpp", G_TYPE_INT, fbdevsink->varinfo.bits_per_pixel, if (format == GST_VIDEO_FORMAT_UNKNOWN)
"depth", G_TYPE_INT, fbdevsink->varinfo.red.length + goto unknown_format;
fbdevsink->varinfo.green.length +
fbdevsink->varinfo.blue.length + caps = gst_caps_make_writable (caps);
fbdevsink->varinfo.transp.length, gst_caps_set_simple (caps, "format", G_TYPE_STRING,
"endianness", G_TYPE_INT, endianness, gst_video_format_to_string (format), NULL);
"red_mask", G_TYPE_INT, rmask,
"green_mask", G_TYPE_INT, gmask, "blue_mask", G_TYPE_INT, bmask, NULL); done:
if (filter != NULL) {
GstCaps *icaps;
icaps = gst_caps_intersect (caps, filter);
gst_caps_unref (caps);
caps = icaps;
}
return caps; return caps;
/* ERRORS */
unsupported_bpp:
{
GST_WARNING_OBJECT (bsink, "unsupported bit depth: %d", bpp);
return NULL;
}
unknown_format:
{
GST_WARNING_OBJECT (bsink, "could not map fbdev format to GstVideoFormat: "
"depth=%u, bpp=%u, endianness=%u, rmask=0x%08x, gmask=0x%08x, "
"bmask=0x%08x, tmask=0x%08x", depth, bpp, endianness, rmask, gmask,
bmask, tmask);
return NULL;
}
} }
static gboolean static gboolean
@ -236,24 +250,30 @@ gst_fbdevsink_setcaps (GstBaseSink * bsink, GstCaps * vscapslist)
static GstFlowReturn static GstFlowReturn
gst_fbdevsink_render (GstBaseSink * bsink, GstBuffer * buf) gst_fbdevsink_show_frame (GstVideoSink * videosink, GstBuffer * buf)
{ {
GstFBDEVSink *fbdevsink; GstFBDEVSink *fbdevsink;
GstMapInfo map;
int i; int i;
fbdevsink = GST_FBDEVSINK (bsink); fbdevsink = GST_FBDEVSINK (videosink);
/* optimization could remove this memcpy by allocating the buffer /* optimization could remove this memcpy by allocating the buffer
in framebuffer memory, but would only work when xres matches in framebuffer memory, but would only work when xres matches
the video width */ the video width */
if (!gst_buffer_map (buf, &map, GST_MAP_READ))
return GST_FLOW_ERROR;
for (i = 0; i < fbdevsink->lines; i++) for (i = 0; i < fbdevsink->lines; i++) {
memcpy (fbdevsink->framebuffer memcpy (fbdevsink->framebuffer
+ (i + fbdevsink->cy) * fbdevsink->fixinfo.line_length + (i + fbdevsink->cy) * fbdevsink->fixinfo.line_length
+ fbdevsink->cx * fbdevsink->bytespp, + fbdevsink->cx * fbdevsink->bytespp,
GST_BUFFER_DATA (buf) + i * fbdevsink->width * fbdevsink->bytespp, map.data + i * fbdevsink->width * fbdevsink->bytespp,
fbdevsink->linelen); fbdevsink->linelen);
}
gst_buffer_unmap (buf, &map);
return GST_FLOW_OK; return GST_FLOW_OK;
} }
@ -379,13 +399,13 @@ gst_fbdevsink_class_init (GstFBDEVSinkClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
GstElementClass *gstelement_class; GstElementClass *gstelement_class;
GstBaseSinkClass *gstvs_class; GstBaseSinkClass *basesink_class;
GstVideoSinkClass *videosink_class;
gobject_class = (GObjectClass *) klass; gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass; gstelement_class = (GstElementClass *) klass;
gstvs_class = (GstBaseSinkClass *) klass; basesink_class = (GstBaseSinkClass *) klass;
videosink_class = (GstVideoSinkClass *) klass;
parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gst_fbdevsink_set_property; gobject_class->set_property = gst_fbdevsink_set_property;
gobject_class->get_property = gst_fbdevsink_get_property; gobject_class->get_property = gst_fbdevsink_get_property;
@ -398,14 +418,22 @@ gst_fbdevsink_class_init (GstFBDEVSinkClass * klass)
g_param_spec_string ("device", "device", g_param_spec_string ("device", "device",
"The framebuffer device eg: /dev/fb0", NULL, G_PARAM_READWRITE)); "The framebuffer device eg: /dev/fb0", NULL, G_PARAM_READWRITE));
gstvs_class->set_caps = GST_DEBUG_FUNCPTR (gst_fbdevsink_setcaps); basesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_fbdevsink_setcaps);
gstvs_class->get_caps = GST_DEBUG_FUNCPTR (gst_fbdevsink_getcaps); basesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_fbdevsink_getcaps);
gstvs_class->get_times = GST_DEBUG_FUNCPTR (gst_fbdevsink_get_times); #if 0
gstvs_class->preroll = GST_DEBUG_FUNCPTR (gst_fbdevsink_render); basesink_class->get_times = GST_DEBUG_FUNCPTR (gst_fbdevsink_get_times);
gstvs_class->render = GST_DEBUG_FUNCPTR (gst_fbdevsink_render); #endif
gstvs_class->start = GST_DEBUG_FUNCPTR (gst_fbdevsink_start); basesink_class->start = GST_DEBUG_FUNCPTR (gst_fbdevsink_start);
gstvs_class->stop = GST_DEBUG_FUNCPTR (gst_fbdevsink_stop); basesink_class->stop = GST_DEBUG_FUNCPTR (gst_fbdevsink_stop);
videosink_class->show_frame = GST_DEBUG_FUNCPTR (gst_fbdevsink_show_frame);
gst_element_class_set_static_metadata (gstelement_class, "fbdev video sink",
"Sink/Video", "Linux framebuffer videosink",
"Sean D'Epagnier <sean@depagnier.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_template));
} }
static void static void
@ -418,33 +446,8 @@ gst_fbdevsink_finalize (GObject * object)
G_OBJECT_CLASS (parent_class)->finalize (object); G_OBJECT_CLASS (parent_class)->finalize (object);
} }
GType
gst_fbdevsink_get_type (void)
{
static GType fbdevsink_type = 0;
if (!fbdevsink_type) {
static const GTypeInfo fbdevsink_info = {
sizeof (GstFBDEVSinkClass),
gst_fbdevsink_base_init,
NULL,
(GClassInitFunc) gst_fbdevsink_class_init,
NULL,
NULL,
sizeof (GstFBDEVSink),
0,
NULL
};
fbdevsink_type =
g_type_register_static (GST_TYPE_BASE_SINK, "GstFBDEVSink",
&fbdevsink_info, 0);
}
return fbdevsink_type;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR, GST_VERSION_MINOR,
fbdevsink, fbdevsink,
"linux framebuffer video sink", "Linux framebuffer video sink",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN) plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)

9
sys/fbdev/gstfbdevsink.h
View file

@ -40,18 +40,13 @@ G_BEGIN_DECLS
#define GST_IS_FBDEVSINK_CLASS(klass) \ #define GST_IS_FBDEVSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FBDEVSINK)) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FBDEVSINK))
typedef enum {
GST_FBDEVSINK_OPEN = (GST_ELEMENT_FLAG_LAST << 0),
GST_FBDEVSINK_FLAG_LAST = (GST_ELEMENT_FLAG_LAST << 2),
} GstFBDEVSinkFlags;
typedef struct _GstFBDEVSink GstFBDEVSink; typedef struct _GstFBDEVSink GstFBDEVSink;
typedef struct _GstFBDEVSinkClass GstFBDEVSinkClass; typedef struct _GstFBDEVSinkClass GstFBDEVSinkClass;
struct _GstFBDEVSink { struct _GstFBDEVSink {
GstVideoSink videosink; GstVideoSink videosink;
/*< private >*/
struct fb_fix_screeninfo fixinfo; struct fb_fix_screeninfo fixinfo;
struct fb_var_screeninfo varinfo; struct fb_var_screeninfo varinfo;
@ -67,7 +62,7 @@ struct _GstFBDEVSink {
}; };
struct _GstFBDEVSinkClass { struct _GstFBDEVSinkClass {
GstBaseSinkClass parent_class; GstVideoSinkClass videosink_class;
}; };